Switch valve



FIG. 1 is an upper perspective view of the switch valve showing mydesign.

FIG. 2 is a side view thereof;

FIG. 3 is an opposite side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an upper perspective view thereof with an environmentalshowing of a knob;

FIG. 9 is an upper perspective view thereof with another enviromentalshowing of a knob; and,

FIG. 10 is an upper perspective view thereof with yet anotherenvironmental showing of a knob.

The broken line showings of knobs are for illustrative purposes only andform no part of the claimed design.

I claim the ornamental design for a switch valve, as shown anddescribed.